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254 lines
8.3 KiB
254 lines
8.3 KiB
class %{APPNAMESC} < Qt::MainWindow
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Q_SLOTS 'newDoc()',
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'choose()',
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'load( const TQString& )',
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'save()',
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'saveAs()',
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'print()',
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'about()',
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'aboutQt()'
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def initialize()
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super( nil, "%{APPNAMESC}", WDestructiveClose )
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@printer = Qt::Printer.new
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fileTools = Qt::ToolBar.new( self, "file operations" )
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fileTools.setLabel( tr("File Operations") )
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openIcon = Qt::Pixmap.new( "fileopen.xpm" )
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fileOpen = Qt::ToolButton.new( Qt::IconSet.new(openIcon), tr("Open File"), nil,
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self, SLOT('choose()'), fileTools, "open file" )
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saveIcon = Qt::Pixmap.new( "filesave.xpm" )
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fileSave = Qt::ToolButton.new( Qt::IconSet.new(saveIcon), tr("Save File"), nil,
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self, SLOT('save()'), fileTools, "save file" )
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printIcon = Qt::Pixmap.new( "fileprint.xpm" )
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filePrint = Qt::ToolButton.new( Qt::IconSet.new(printIcon), tr("Print File"), nil,
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self, SLOT('print()'), fileTools, "print file" )
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Qt::WhatsThis.whatsThisButton( fileTools )
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fileOpenText = tr('<p><img source="fileopen"> ' +
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"Click this button to open a <em>new file</em>. <br>" +
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"You can also select the <b>Open</b> command " +
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"from the <b>File</b> menu.</p>")
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Qt::WhatsThis.add( fileOpen, fileOpenText )
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Qt::MimeSourceFactory.defaultFactory().setPixmap( "fileopen", openIcon )
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fileSaveText = tr("<p>Click this button to save the file you " +
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"are editing. You will be prompted for a file name.\n" +
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"You can also select the <b>Save</b> command " +
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"from the <b>File</b> menu.</p>")
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Qt::WhatsThis.add( fileSave, fileSaveText )
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filePrintText = tr("Click this button to print the file you " +
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"are editing.\n You can also select the Print " +
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"command from the File menu.")
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Qt::WhatsThis.add( filePrint, filePrintText )
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file = Qt::PopupMenu.new( self )
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menuBar().insertItem( tr("&File"), file )
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file.insertItem( tr("&New"), self, SLOT('newDoc()'), Qt::KeySequence.new(CTRL+Key_N) )
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id = file.insertItem( Qt::IconSet.new(openIcon), tr("&Open..."),
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self, SLOT('choose()'), Qt::KeySequence.new(CTRL+Key_O) )
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file.setWhatsThis( id, fileOpenText )
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id = file.insertItem( Qt::IconSet.new(saveIcon), tr("&Save"),
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self, SLOT('save()'), Qt::KeySequence.new(CTRL+Key_S) )
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file.setWhatsThis( id, fileSaveText )
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id = file.insertItem( tr("Save &As..."), self, SLOT('saveAs()') )
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file.setWhatsThis( id, fileSaveText )
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file.insertSeparator()
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id = file.insertItem( Qt::IconSet.new(printIcon), tr("&Print..."),
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self, SLOT('print()'), Qt::KeySequence.new(CTRL+Key_P) )
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file.setWhatsThis( id, filePrintText )
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file.insertSeparator()
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file.insertItem( tr("&Close"), self, SLOT('close()'), Qt::KeySequence.new(CTRL+Key_W) )
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file.insertItem( tr("&Quit"), $tqApp, SLOT( 'closeAllWindows()' ), Qt::KeySequence.new(CTRL+Key_Q) )
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menuBar().insertSeparator()
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help = Qt::PopupMenu.new( self )
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menuBar().insertItem( tr("&Help"), help )
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help.insertItem( tr("&About"), self, SLOT('about()'), Qt::KeySequence.new(Key_F1) )
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help.insertItem( tr("About &Qt"), self, SLOT('aboutQt()') )
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help.insertSeparator()
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help.insertItem( tr("What's &This"), self, SLOT('whatsThis()'), Qt::KeySequence.new(SHIFT+Key_F1) )
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@e = Qt::TextEdit.new( self, "editor" )
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@e.setFocus()
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setCentralWidget( @e )
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statusBar().message( tr("Ready"), 2000 )
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resize( 450, 600 )
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end
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private
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def newDoc()
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ed = %{APPNAMESC}.new
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ed.setCaption(tr("Qt Example - Application"))
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ed.show()
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end
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def choose()
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fn = Qt::FileDialog.getOpenFileName( nil, nil,
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self)
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if !fn.nil?
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load( fn )
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else
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statusBar().message( tr("Loading aborted"), 2000 )
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end
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end
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def load( filename )
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f = Qt::File.new( filename )
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if !f.open( Qt::IO_ReadOnly )
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return
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end
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ts = Qt::TextStream.new( f )
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@e.setText( ts.read() )
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@e.setModified( false )
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setCaption( filename )
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statusBar().message( tr("Loaded document %s" % filename), 2000 )
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end
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def save()
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if @filename.nil?
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saveAs()
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return
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end
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text = @e.text()
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f = Qt::File.new( @filename )
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if !f.open( Qt::IO_WriteOnly )
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statusBar().message( tr("Could not write to %s" % @filename),
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2000 )
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return
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end
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t = Qt::TextStream.new( f )
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t << text
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f.close()
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@e.setModified( false )
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setCaption( @filename )
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statusBar().message( tr( "File %s saved" % @filename ), 2000 )
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end
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def saveAs()
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fn = Qt::FileDialog.getSaveFileName( nil, nil,
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self )
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if !fn.nil?
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@filename = fn
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save()
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else
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statusBar().message( tr("Saving aborted"), 2000 )
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end
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end
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def print()
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# ###### Rewrite to use Qt::SimpleRichText to print here as well
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margin = 10
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pageNo = 1
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if @printer.setup(self) # @printer dialog
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statusBar().message( tr("Printing...") )
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p = Qt::Painter.new
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if !p.begin( @printer ) # paint on @printer
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return
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end
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p.setFont( @e.font() )
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yPos = 0 # y-position for each line
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fm = p.fontMetrics()
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metrics = Qt::PaintDeviceMetrics.new( @printer ) # need width/height
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# of @printer surface
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for i in 0...@e.lines() do
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if margin + yPos > metrics.height() - margin
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msg = "Printing (page "
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msg += pageNo.to_s
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pageNo += 1
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msg += ")..."
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statusBar().message( msg )
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@printer.newPage() # no more room on self page
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yPos = 0 # back to top of page
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end
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p.drawText( margin, margin + yPos,
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metrics.width(), fm.lineSpacing(),
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ExpandTabs | DontClip,
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@e.text( i ) )
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yPos = yPos + fm.lineSpacing()
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end
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p.end() # send job to @printer
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statusBar().message( tr("Printing completed"), 2000 )
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else
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statusBar().message( tr("Printing aborted"), 2000 )
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end
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end
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protected
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def closeEvent( ce )
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if !@e.modified?
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ce.accept()
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return
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end
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case Qt::MessageBox.information( self, tr("Qt Application Example"),
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tr("Do you want to save the changes" +
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" to the document?"),
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tr("Yes"), tr("No"), tr("Cancel"),
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0, 1 )
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when 0
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save()
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ce.accept()
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when 1
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ce.accept()
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when 2
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ce.ignore()
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else # just for sanity
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ce.ignore()
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end
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end
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private
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def about()
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Qt::MessageBox.about( self, tr("Qt Application Example"),
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tr("This example demonstrates simple use of " +
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"Qt::MainWindow,\nQt::MenuBar and Qt::ToolBar."))
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end
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def aboutQt()
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Qt::MessageBox.aboutQt( self, tr("Qt Application Example") )
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end
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end
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